Four people were killed when two small planes collided at an airport in Las Vegas, Nevada, on July 17, the Federal Aviation Administration (FAA) said.

  According to reports, two planes each had two people on board when the accident occurred. After the collision, one plane crashed into the open space next to the airport runway, and the other fell into the reservoir.

  The Federal Aviation Administration (FAA) and the National Transportation Safety Board (NTSB) are investigating the accident.

(CCTV reporter Zhao Miao)